RUSSIA has suffered its biggest ever air raid in the war so far as Ukraine fights back with kamikaze drones in a series of onslaughts across the country. The Moscow Oil Refinery is owned by state-owned Gazprom, part of Russian energy giant Gazprom. One dramatic video shows a Lyuty Ukrainian drone approach the oil refinery unimpeded watched by workers - before diving an exploding in a pinpoint strike. A staggering 160 or so kamikaze drones were deployed as Russia suffered its biggest air raid since the war began in February 2022. While the attack on the Moscow Oil Refinery at Kapotnya came at around 6:30am.